ROCK MASS CLASSIFICATION FOR UNDERGROUND POWER HOUSES OF SHUIBUYA PROJECT
岩体分级方法在水布垭地下厂房工程中的应用

Taking the national standard for engineering classification of rock masses (GB50218-94) as a main method,with Q-system and RMR-system as an assistance,rock mass classification is made for the underground power houses of Shuibuya Project which is located on Qingjiang River in Hubei Province,China. The relationship between national code and support design is also built up.